American spelling vs jeopardize

American spelling is a noun but jeopardize is not a noun.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
jeopardize	No	No	Yes	No

American spelling (noun)	jeopardize (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

American spelling (verb)	jeopardize (verb)
	put at risk
	pose a threat to; present a danger to